User Guide

Using the WebUI 45 Back to Contents
VCS754 Administrator and Provisioning Manual
Signaling Settings
The signalling settings are also available as parameters in the configuration file. See
“"network" Module: Network Settings” on page 95.
After entering information on this page, click to save it.
Voice
Click the link for each setting to see the matching configuration file parameter in “"network"
Module: Network Settings” on page 95. Default values and ranges are listed there.
NAT Traversal
The NAT Traversal settings are communicated to the VoIP server so that the VCS754 is
reachable when connected to the Internet behind NAT.
Setting Description
Min Local RTP port Enter the lower limit of the Real-time Transport Protocol (RTP)
port range. RTP ports specify the minimum and maximum port
values that the phone will use for RTP packets.
Max Local RTP port Enter the upper limit of the RTP port range.
Setting Description
Enable IP Masquerading Select to enable NAT traversal and IP masquerading.
Public IP address Enter the external IP address of your router. This setting
identifies the router's public address to the VoIP server.
Public SIP port Enter the router port number being used for SIP. This
setting identifies the router's port to the VoIP server.
Min Public RTP port Enter the lower limit of the public RTP port range.
Max Public RTP port Enter the upper limit of the RTP port range.